Entries by harpercorp

Anilox Roll Cleaning Solutions

Anilox roll cleaning solutions are always a hot topic in the flexo world. The following discussion outlines the most common off-press anilox roll cleaning systems and chemical cleaners available in today’s marketplace. (Please Note: The following cleaning systems are not listed in any particular order.) Baking Soda Blast (Sodium Bicarbonate) Systems: A baking soda blast […]

Specifications for the Right Anilox Roller

What’s Involved? When purchasing an anilox roll, not having the right anilox roller specifications can cause real problems for you down the road. Simply understanding that an anilox is made up of thousands of microscopic ink-carrying cells is not enough. It is also necessary to have a basic understanding of the characteristics of the cells […]

Preventing Anilox Scoring & Damage

Is anilox scoring and damage becoming an expensive and frustrating problem? Take heart. Many printers have resolved the problem, and this article discusses how. I. DEFINING AND IDENTIFYING ANILOX SCORE LINES When a hard particle becomes trapped between the doctor blade and the anilox roll, the particle can ride there and effectively destroy rows of […]

Plate Dot vs. Anilox Cell Models

The relationship of your printing plate dot to your anilox line screen cell directly affects the quality of your flexo print. Keep in mind that when using a low line screen printing plate (such as 55) you will typically use a lower line screen anilox roll (such as 250 – 500). When using a high […]

Understanding Anilox Volume

The amount of ink that is transferred from a cell depends upon the carrying capacity of the cell or the cell’s volume. Anilox volume must be accurately measured and maintained and is THE primary controlling factor in flexo printing. Impact on Quality Printing Remember, you print with a wet and fluid film of ink and […]

Understanding Anilox Line Screen

Anilox line screen indicates the number of cells per linear inch on an anilox roll, and is a major component when specifying an anilox roll. Line screen is chosen in direct correlation to anilox volume. For example, an anilox volume of 3.2 BCMs, requires a line screen of approximately 500. If an anilox volume of […]

Releasing the Anilox’s Power | FLEXO Magazine January 2019

Improve Performance Reliability While Reducing Waste First published in FLEXO Magazine, January 2019 issue. Written by Harper Technical Solutions team member, Richard Hernandez   When I was first learning how to run a press, one of the biggest things I could remember thinking was, “How am I supposed to know how these different anilox rollers […]

Aniloxes – Yesterday, Today and Tomorrow | Label & Narrow Web

First published in Label & Narrow Web, Novemeber/Decemeber 2018 issue. Written by Harper Technical Service Representative Midwest, Patrick Hogan Winston Churchill once said, “Those that fail to learn from history are doomed to repeat it.” Fortunately for us in flexography, the industry has learned from mistakes, applied those hard-earned lessons, and continued the dynamic changes that […]